Ethylene glycol is used as a protecting group for carbonyl groups in organic synthesis. Treating a ketone or aldehyde with ethylene glycol in the presence of an acid catalyst (e.g., p-toluenesulfonic acid; BF3â¢Et2O) gives the corresponding a 1,3-dioxolane, which is resistant to bases and other nucleophiles.
Charles Street and Beacon Hill in Historic Boston, Massachusetts. Shops on Charles Street are an eclectic mix of boutiques, galleries, jewelry stores and home accessory shops with plenty of nearby restaurants, inns and historic sites.
Take the Tremont Street exit, not the Washington Street exit. When you come above ground you will be on Tremont Street. Cross the street and go through the playground. There is a small underpass to the right. Go through the underpass and you will see the Charles Playhouse on your left. Park Street T Stop on the Red Line. Exit toward Tremont Street. With the Boston Commons to your right, travel down Tremont St. to where it intersects with Stuart St. Take a right onto Stuart St. and you will see Warrenton St. on left side of the road between the âWâ and the New England School of Law. The Charles Playhouse is located at 74 Warrenton St.